﻿/*
	Copyright (C) 2019 Zongming Liu <1849059316@qq.com>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.
	
	You should have received a copy of the GNU General Public License along
	with this program; if not, write to the Free Software Foundation, Inc.,
	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifndef Singleton_h__
#define Singleton_h__

#include "NonCopyable.h"

namespace SkyEngine2d
{
	
	/*!
	 \brief 单例对象的基类
	*/
	template <typename T>
	class Singleton
		:public NonCopyable
	{
	public:
		//! 获取单例对象的实例
		/*!
		\return T*  
		*/
		static T* getInstance();
	};
	
	template <typename T>
	T* Singleton<T>::getInstance()
	{
		static T t;
		return &t;
	}
}

#define SINGLETON_CLASS(T) friend class Singleton<T>;

#endif // Singleton_h__
